Uranium Adsorption from Leach Slurries

Noble, Paul; Watson, W.I.; Whittemore, I. M.; Carlson, R. A.; Huggins, J.C.; McClaine, Leslie A.

doi:10.1021/ie50586a027

Ind. Eng. Chem.

1958

DOI: 10.1021/ie50586a027

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Uranium Adsorption from Leach Slurries

Paul Noble¹,

W.I. Watson²,

I. M. Whittemore³

et al.

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“…Activated carbon is used to recover traces of gold from cyanide leach liquors (carbon-in-pulp process) (19) and there have been several investigations in the past to develop a similar process for the recovery of uranium from acid leach liquors using charcoals impregnated with organophosphorus compounds (20)(21)(22)(23)(24) and organic amines (25). Whilst investigating the decontamination of trace TBP from waste aqueous streams, Downloaded by [University of Saskatchewan Library] at 03:45 05 October 2012 Lerch (26) observed that the TBP-impregnated carbon was also effective in the removal of traces of plutonium from solution.…”

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confidence: 99%

Sorption of Uranium From Nitric Acid Solution Using TBP-Impregnated Activated Carbons

Abbasi

Streat

1998

Solvent Extraction and Ion Exchange

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confidence: 99%

Sorption of Uranium From Nitric Acid Solution Using TBP-Impregnated Activated Carbons

Abbasi

Streat

1998

Solvent Extraction and Ion Exchange

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Studies on Uranium Recovery by Activated Carbon Impregnated With Tridodecylamine and Tributyl Phosphate

Ahmed

Warith

Sallman

et al. 2018

Nuclear Sciences Scientific Journal

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Two solvent impregnated activated carbon materials were prepared for uranium recovery from its aqueous sulfate solutions using tridodecylamine (TDA) and tributyl phosphate (TBP). This was achieved by direct adsorption of each extractant onto the solid phase (dry method). The obtained adsorbents demonstrated that the loading capacity of TDA and TBP have attained 0.69g and 0.85g per 1g activated carbon (AC) respectively which were characterized by means of Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR). For the two materials, the relevant factors such as contact time, solution pH, initial uranium ion concentration, volume of aqueous solution to the weight of the impregnated activated carbon ratio and the extraction temperature were optimized by equilibrium batch experiments using uranium synthetic sulfate solution. The obtained uranium loaded from the latter on 1g of each of TDA-AC and TBP-AC was 45mg and 89mg respectively. Desorption of the loaded uranium was carried out using hydrochloric acid which was found to be 66% for TDA-AC and 93.5% for TBP-AC respectively. Based on the obtained optimum factors, the practical applicability of the two developed impregnated solid phases was then examined upon a uranium sulfate leach liquor prepared from Abu Zeneima uraniferous mineralization.

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Uranium Adsorption from Leach Slurries

Cited by 2 publications

References 1 publication

Sorption of Uranium From Nitric Acid Solution Using TBP-Impregnated Activated Carbons

Sorption of Uranium From Nitric Acid Solution Using TBP-Impregnated Activated Carbons

Studies on Uranium Recovery by Activated Carbon Impregnated With Tridodecylamine and Tributyl Phosphate

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